Search Results for: layer
Mesophyll layer
Definition noun, plural: mesophyll layers (botany) The tissue in the interior of a leaf made up of photosynthetic... Read More
Malpighian layer
Definition noun The lower layer of epidermis consisting of non-keratinized, viable cells, in contrast to the outer (upper)... Read More
Basal layer
Definition noun (1) The innermost layer of the epidermis made up of basal or germinative cells capable of proliferating by... Read More
Horny layer of nail
Horny layer of nail --> stratum corneum unguis the outer, horny layer of the nail. Synonym: cornified layer of nail,... Read More
Mantle layer
Mantle layer The nuclear zone of the developing neural tube between the marginal layer and the ependymal layer; forms the... Read More
Myocardium
Myocardium Definition What is the myocardium of the heart? It is the muscular middle layer of the heart that is... Read More
Thin-layer chromatography
Definition noun An alternative form of thin layer chromatography, a type of chromatography using a thin layer of stationary... Read More
Nitabuchs layer
Nitabuch's layer --> Nitabuch's membrane a layer of fibrin between the boundary zone of compact endometrium and the... Read More
Simple squamous epithelium
Simple Squamous Epithelium Definition Simple squamous epithelium, also known as simple squamous epithelial tissue or... Read More
Slime layer
Definition noun An irregular, diffuse, unorganized form of glycocalyx in bacterial cells, comprised mostly of... Read More
Waldeyers zonal layer
Waldeyer's zonal layer --> dorsolateral fasciculus A longitudinal bundle of thin, unmyelinated and poorly myelinated... Read More
Alimentary canal
Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More
Aleurone Layer
A layer found in some plant seeds that excretes enzymes used to promote embryonic growth. Gibberellin, a family of growth... Read More
Ecosystem carbon emissions from forest fires in Alaska
Carbon emissions in Alaska relied on measurements of trees and changes in surface organic layer carbon pools after... Read More
Community Patterns
By: Maria Victoria Gonzaga In the previous lesson, we learned what a population is, its attributes, and processes... Read More
Stratified columnar epithelium
A stratified columnar epithelium (plural: stratified columnar epithelia) is a type of stratified epithelium in which the... Read More
Boundary layer
Boundary layer (Science: radiobiology) in fluid flow, a narrow region next to a fixed boundary or surface where the fluid... Read More
Stratified squamous epithelium
Definition noun, plural: stratified squamous epithelia A type of stratified epithelium in which the topmost layer is made up... Read More
Parenchyma
Parenchyma Definition What does parenchyma mean? Let's define the word "parenchyma". Most of the functional tissues in... Read More
Epithelium
An epithelium is a type of animal tissue made up of densely packed cells (called epithelial cells) that rest on a basement... Read More
Primary cell wall
Definition noun plural: primary cell walls ˈpɹaɪməɹi sɛl wɔːl The layer of the plant cell wall that forms prior to... Read More
Stratified epithelium
Definition noun, plural: stratified epithelia An epithelial tissue comprised of more than one layer of epithelial cells,... Read More
Endomembrane system
Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More
Phelloderm
Definition noun, plural: phelloderms (botany) A part of the periderm made up of cells produced inwardly by the cork... Read More
Stratum germinativum
Definition noun The innermost layer of the epidermis comprised of keratinocyes capable of proliferating by mitosis,... Read More
Stratified cuboidal epithelium
Definition noun, plural: stratified cuboidal epithelia A type of stratified epithelium in which the topmost layer is made up... Read More
Plasma membrane
Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More
Synovial membrane
Definition noun, plural: synovial joints The connective tissue lining the inner surface of the joint capsule of a synovial... Read More
Stratum corneum
Definition noun The outermost layer of the epidermis comprised of corneocytes and accounts for most of the protective... Read More